it does look like another twitter astroturf, they really haven't reported anything negative about twitter. All the things they posted, could be used as a promotion to pitch twitter to investors.
Like the part where they call Google and Microsoft a 'distraction'
Or diss Marissa Mayer?
Upon reading the diss of Marissa Mayer I found myself liking Twitter a little more. But then, that's a very geeky reaction coming from somebody whose friends imitate the Marissa Mayer laugh for fun.